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| Content Provider | Springer Nature Link |
|---|---|
| Author | Stępniewska, Z. Goraj, W. Kuźniar, A. Pytlak, A. Ciepielski, J. Frączek, P. |
| Copyright Year | 2014 |
| Abstract | Ectoine belongs to the family of compatible solutes, which are known to contribute mainly to the adaptation of the cell to osmotic stress by mediation of a constant turgor. In addition, the cell’s essential functions are maintained under difficult conditions like high salinity, heat, or aridity stress. Biosynthesis of ectoine has been found in halophilic and halotolerant microorganisms. We showed that the methanotrophic bacterial consortium (MBC) isolated from coalbed rocks from coalmine Bogdanka (Poland) and resistant to extreme environmental conditions (low content of moisture) was able to synthesize ectoine. MBC was cultured in mineral nitrate mineral salts medium supplied with NaCl at atmospheric air enriched with 10% of methane. The levels of methanotrophic activity were determined by the gas chromatography technique (943.05 ± 30.73 − 94.14 ± 0.85 μM CH4 gDW−1 day−1) and the biomass concentration of MBC was evaluated based on OD600, as well as biosynthesis of ectoine in relation to the salinity (0–5% NaCl) of the medium. The levels of ectoine tested by NIR measurements ranged from 1.33 ± 0.10 mg gDW−1 to 0.42 ± 0.08 mg gDW−1 depending on the salinity of the solution. In addition, we identified MBC based on the pmoA gene. |
| Starting Page | 594 |
| Ending Page | 600 |
| Page Count | 7 |
| File Format | |
| ISSN | 00036838 |
| Journal | Applied Biochemistry and Microbiology |
| Volume Number | 50 |
| Issue Number | 6 |
| e-ISSN | 16083024 |
| Language | English |
| Publisher | Pleiades Publishing |
| Publisher Date | 2014-10-24 |
| Publisher Place | Moscow |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biochemistry Microbiology Medical Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry Applied Microbiology and Biotechnology |
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